
.box{
    width: 100vw;
    height: 500px;
    background-size:cover ;
    background-image: url('../meaning.jpg');
    /* background-position: 0 -50px; */
    background-repeat: no-repeat;
}

.box .big{
    width: 100%;
    height: 500px;
    background:rgba(0,0,0,.5);
}
.top{
    display: flex;
    margin: 0 auto;
    /* margin-top: 100px; */
    /* background-color: aqua; */
    justify-content:center;
    
}
.top>div:nth-last-child(2){
    width: 50px;
    height: 50px;
    line-height: 60px;
    border-radius: 10px;
    background-color: rgba(219,234,254);
    margin-right: 14px;
}
.top div{
    margin-top: 250px;
    color:#fff;
    text-align: center;
}
.top div img{
    width: 25px;
    height: 25px;
}
.top div h2{
    font-size: 22px;
}

.butoom{
    width: 100%;
    margin-top: 2px;
    /* background-color: aqua; */
    color: #fff;
    display: flex;
    justify-content:space-evenly;
}
.butoom ul{
    display: flex;
    justify-content:center;
    /* margin-left: -400px; */
}
.butoom ul>li{
    margin-top: 160px;
    font-size: 16px;
    margin-right: 28px;
    list-style: none;
    font-weight: 700;
    height: 35px;
    /* border-bottom: 3px solid #3b82f6 ; */
    border-radius: 1px;
    user-select: none;
    /* color: #3b82f6; */
}
.butoom>ul:nth-child(1)>li>a{
    color: #fff;
    text-decoration: none;
}
.butoom>ul:nth-child(1)>li.active{
    border-bottom: 3px solid #3b82f6;
    color:#3b82f6;
}
.butoom>ul:nth-child(1)>li.active a{
    color:#3b82f6;
}
.butoom>ul:nth-child(2) li{
    font-size: 12px;
    font-weight: 400;
    line-height: 25px;
}
.butoom>ul:nth-child(2) li:hover{
    border-bottom: 3px solid #3b82f6;
    color:#3b82f6;
}
.butoom>ul:nth-child(2) li:nth-child(2){
    border-bottom: 0;
}

/* 修改用户信息 */
.box_big{
    user-select: none;
    width: 100vw;
    height: 100vw;
    background-color: rgba(0,0,0,.5);
    position:fixed;
    left:0;
    top:0;
    z-index: 999;
}
.box_big>div{
    width: 700px;
    height: 500px;
    background-color: #fff;
    position:fixed;
    top:0;
    left:0;
    bottom: 0;
    right: 0;
    margin: auto;
}
.box_big>div>div:nth-child(1){
    width: 100%;
    height: 90px;
    /* background-color: #3b82f6; */
    display: flex;
    justify-content:space-between;
    align-items:center;
    box-sizing: border-box;
    padding: 0 24px;
    border-bottom: 1px solid #E5E7EB;
}
.box_big>div>div:nth-child(1) p{
    font-size: 16px;
    font-weight: 700;
    color: #1F2937;
}
.box_big>div>div:nth-child(1)>button{
    width: 20px;
    height: 20px;
    background-color: #fff;
    border: 0;
}
.box_big>div>div:nth-child(1)>button>img{
    width: 100%;
    height: 100%;
}
.box_big>div>div:nth-child(2){
    /* background-color: antiquewhite; */
    height: 350px;
    box-sizing: border-box;
    padding: 24px;
}
.box_big>div>div:nth-child(2)>p:nth-child(1){
    height: 20px;
    font-size: 16px;
    color: #374151;
    margin-bottom: 12px;
    font-weight: 700;
}
.box_big>div>div:nth-child(2)>input{
    width: 630px;
    height: 26px;
    padding: 5px;
    outline: none;
    border: 0;
    box-shadow: 1px 1px 3px #909090;
    margin-bottom: 8px;
}
.box_big>div>div:nth-child(2)>p:nth-child(3){
    color: #f00;
    font-size: 14px;
}
.xmm{
    height: 90px;
    width: 640px;
    /* background-color: #3b82f6; */
    display: flex;
    justify-content:space-between;
    margin-bottom: 30px;
}
.xmm>div{
    width: 310px;
    height: 90px;
    /* background-color: red; */
    margin-top: 16px;
}
.xmm>div>p{
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
    color: #374151;
}
.xmm>div>p:nth-child(3){
    font-size: 14px;
    font-weight: 500;
}
.xmm>div>input{
    width: 300px;
    height: 26px;
    padding: 5px;
    outline: none;
    border: 0;
    box-shadow: 1px 1px 3px #909090;
    margin-bottom: 6px;
}
.yzm input{
    width: 210px !important;
}
.yzm .yz{
   background-color:transparent;
   margin-top: -50px;
   margin-left: 220px;
}
.fool{
    width: 100%;
    height: 60px;
    /* background-color: #909090; */
    display: flex;
    justify-content:space-between;
    align-items:center;
    padding: 0 24px;
    box-sizing: border-box;
    border-top: 1px solid #E5E7EB;
}
.fool>button{
    width: 60px;
    height: 30px;
    padding: 4px 3px;
    border-radius: 4px;
    border: 0;
    font-weight: 550;
    font-size: 16px;
    box-shadow: 1px 1px 3px #909090;
}
.fool>button:nth-child(2){
    background-color: #3b82f6;
    color: #fff;
    font-weight: 550;
    font-size: 16px;
}
/* .box_big{
    display: none;
} */ 